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https://www.readbyqxmd.com/read/29245188/the-unmet-needs-of-aboriginal-australians-with-musculoskeletal-pain-a-mixed-method-systematic-review
#1
Ivan B Lin, Samantha Bunzli, Donna B Mak, Charmaine Green, Roger Goucke, Juli Coffin, Peter B O'Sullivan
OBJECTIVE: Musculoskeletal pain (MSP) conditions are the biggest cause of disability and internationally, Indigenous peoples experience a higher burden. There are conflicting reports about Aboriginal Australians and MSP. We conducted a systematic review to describe the prevalence, associated factors, impacts, care access, health care experiences, and factors associated with MSP among Aboriginal Australians. METHODS: A systematic search of quantitative and qualitative scientific and grey literature (PROSPERO number: CRD42016038342)...
December 15, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/29244079/a-non-hemolytic-group-b-streptococcus-strain-exhibits-hypervirulence
#2
Claire Gendrin, Jay Vornhagen, Blair Armistead, Pallavi Singh, Christopher Whidbey, Sean Merillat, David Knupp, Robert Parker, Lisa M Rogers, Phoenicia Quach, Lakshminarayan M Iyer, L Aravind, Shannon D Manning, David M Aronoff, Lakshmi Rajagopal
Group B Streptococci (GBS) are gram-positive bacteria that are a leading cause of neonatal infections. Most invasive isolates are -hemolytic and hemolytic activity is critical for GBS virulence. While non-hemolytic GBS strains are occasionally isolated, they are often thought to be virulence attenuated. Here, we show that a non-hemolytic GBS strain (GB37) isolated from a septic neonate exhibits hypervirulence. Substitution of tryptophan to leucine (W297L) in the sensor histidine kinase CovS results in constitutive kinase signaling, leading to decreased hemolysis and increased activity of the GBS hyaluronidase, HylB...
December 13, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29243937/long-term-coarse-pm-exposure-is-associated-with-asthma-among-children-in-medicaid
#3
Corinne A Keet, Joshua P Keller, Roger D Peng
RATIONALE: Short and long-term fine particulate matter (PM2.5) pollution is associated with asthma development and morbidity, but there is little data on the effects of long-term exposure to coarse PM (PM10-2.5) on respiratory health. OBJECTIVES: To understand the relationship between long-term fine and coarse PM exposure and asthma prevalence and morbidity among children. METHODS: A semi-parametric regression model that incorporated PM2.5 and PM10 monitor data and geographic characteristics was developed to predict two-year average PM2...
December 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29243761/high-valent-nitridorhenium-v-complexes-containing-pnp-ligands-implications-of-ligand-flexibility
#4
Nikola S Lambic, Roger D Sommer, Elon A Ison
The synthesis of (PNP)Re(N)X (PNP = [2-P(CHMe2)2-4-MeC6H3]2N, X = Cl and Me) complexes is described. The methylnitridorhenium complex 3 was found to react differently with CO and isocyanides, leading to the isolation of a Re(v) acyl complex 4 and an isocyanide adduct 6. Two parallel pathways were observed for the reaction of 3 with CO: (1) CO inserts into the Re-Me bond to afford 4, and (2) 3 isomerizes by distortion of the aryl backbone of the PNP ligand to afford the isomer 3'. This is followed by the reaction of 3' with CO to afford the tricarbonyl complex 5, which was fully characterized...
December 15, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29243255/viscoelastic-properties-of-human-aryepiglottic-fold-and-ventricular-fold-tissues-at-phonatory-frequencies
#5
Miwako Kimura, Roger W Chan
OBJECTIVE: The purpose of this study was to quantify the viscoelastic shear properties of the human ventricular fold (or false vocal fold) mucosa and aryepiglottic fold mucosa at frequencies of phonation. METHODS: Linear viscoelastic shear properties of the mucosa of false vocal fold and aryepiglottic fold specimens from seven cadaveric subjects were determined as functions of frequency (5-250 Hz) and compared to those of the true vocal fold cover. Measurements of elastic shear modulus (G') and dynamic viscosity (η') were made with a controlled-strain simple-shear rheometer...
December 15, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29243165/ease-of-walking-associates-with-greater-free-living-physical-activity-and-reduced-depressive-symptomology-in-breast-cancer-survivors-pilot-randomized-trial
#6
Stephen J Carter, Gary R Hunter, Lyse A Norian, Bulent Turan, Laura Q Rogers
PURPOSE: We hypothesized exercise training-induced improvements in ease of walking would associate with favorable changes in objectively measured physical activity (PA) and self-reported depressive symptoms following a PA behavior-change intervention in non-metastatic breast cancer survivors (BCS). METHODS: Twenty-seven BCS received random assignment to an intervention (INT) or control group (CON). INT included counseling/group discussions coupled with supervised exercise tapered to unsupervised exercise...
December 14, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29243157/why-is-a-prone-sleeping-position-dangerous-for-certain-infants
#7
Roger W Byard, Fiona Bright, Robert Vink
The prone (face down) sleeping position is known to be associated with a significantly increased risk of sudden and unexpected death in infancy (sudden infant death syndrome or SIDS), however, the reasons for this are unclear. Suggested mechanisms have involved suffocation from occlusion of the external airways by soft bedding/pillows or from flattening of the nose with backward displacement of the tongue, rebreathing of carbon dioxide, blunting of arousal responses with decreased cardiac responses to auditory stimulation, diaphragmatic splinting or fatigue, lowering of vasomotor tone with tachycardia, nasopharyngeal bacterial overgrowth, overheating, alteration of sleep patterns, compromise of cerebral blood flow and upper airway obstruction from distortion of nasal cartilages...
December 14, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29242768/neural-correlates-of-social-influence-on-risk-taking-and-substance-use-in-adolescents
#8
Eva H Telzer, Christina R Rogers, Jorien Van Hoorn
Purpose of Review: Adolescents often engage in elevated levels of risk taking that gives rise to substance use. Family and peers constitute the primary contextual risk factors for adolescent substance use. This report reviews how families and peers influence adolescent neurocognitive development to inform their risk taking and subsequent substance use. Recent Findings: Developmental neuroscience using functional magnetic resonance imaging (fMRI) has identified regions of the brain involved in social cognition, cognitive control, and reward processing that are integrally linked to social influence on adolescent risk taking...
September 2017: Current Addiction Reports
https://www.readbyqxmd.com/read/29242398/actual-impact-of-68ga-psma-11-pet-ct-on-the-management-of-prostate-cancer-patients-with-biochemical-recurrence
#9
Jérémie Calais, Wolfgang P Fendler, Matthias Eiber, Jeannine Gartmann, Fang-I Chu, Nicholas G Nickols, Robert R Reiter, Matthew B Rettig, Leonard S Marks, Thomas E Ahlering, Lynda Huynh, Roger Slavik, Pawan Gupta, Andrew Quon, Martin S Allen-Auerbach, Johannes Czernin, Ken Herrmann
Purpose: In this prospective survey of referring physicians, we investigated whether and how Gallium-68 Prostate Specific Membrane Antigen Positron Emission Tomography/Computed Tomography (PSMA-11 PET/CT) affects the actually implemented management of prostate cancer patients wih biochemical recurrence (BCR). Methods: We conducted a prospective survey of physicians (NCT02940262) who referred 161 patients with prostate cancer BCR (median Prostate Specific Antigen (PSA) value 1.7 ng/ml (range 0.05-202)). Referring physicians completed one questionnaire prior to the scan to indicate the treatment plan without PSMA-11 PET/CT information (Q1; n = 101); one immediately after the scan to denote intended management changes (Q2; n = 101); and one 3 to 6 months later to document the final implemented management (Q3; n = 56)...
December 14, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29242308/chemokine-c-c-motif-receptor-like-2-is-not-essential-for-lung-injury-lung-inflammation-or-airway-hyperresponsiveness-induced-by-acute-exposure-to-ozone
#10
Farhan Malik, Kevin R Cromar, Constance L Atkins, Roger E Price, William T Jackson, Saad R Siddiqui, Chantal Y Spencer, Nicholas C Mitchell, Ikram U Haque, Richard A Johnston
Inhalation of ozone (O3), a gaseous air pollutant, causes lung injury, lung inflammation, and airway hyperresponsiveness. Macrophages, mast cells, and neutrophils contribute to one or more of these sequelae induced by O3 Furthermore, each of these aforementioned cells express chemokine (C-C motif) receptor-like 2 (Ccrl2), an atypical chemokine receptor that facilitates leukocyte chemotaxis. Given that Ccrl2 is expressed by cells essential to the development of O3-induced lung pathology and that chemerin, a Ccrl2 ligand, is increased in bronchoalveolar lavage fluid (BALF) by O3, we hypothesized that Ccrl2 contributes to the development of lung injury, lung inflammation, and airway hyperresponsiveness induced by O3 To that end, we measured indices of lung injury (BALF protein, BALF epithelial cells, and bronchiolar epithelial injury), lung inflammation (BALF cytokines and BALF leukocytes), and airway responsiveness to acetyl-β-methylcholine chloride (respiratory system resistance) in wild-type and mice genetically deficient in Ccrl2 (Ccrl2-deficient mice) 4 and/or 24 hours following cessation of acute exposure to either filtered room air (air) or O3 In air-exposed mice, BALF chemerin was greater in Ccrl2-deficient as compared to wild-type mice...
December 2017: Physiological Reports
https://www.readbyqxmd.com/read/29242277/endoplasmic-reticulum-chaperone-grp78-regulates-macrophage-function-and-insulin-resistance-in-diet-induced-obesity
#11
Jong Hun Kim, Eunjung Lee, Randall H Friedline, Sujin Suk, Dae Young Jung, Sezin Dagdeviren, Xiaodi Hu, Kunikazu Inashima, Hye Lim Noh, Jung Yeon Kwon, Aya Nambu, Jun R Huh, Myoung Sook Han, Roger J Davis, Amy S Lee, Ki Won Lee, Jason K Kim
Obesity-mediated inflammation is a major cause of insulin resistance, and macrophages play an important role in this process. The 78-kDa glucose-regulated protein (GRP78) is a major endoplasmic reticulum chaperone that modulates unfolded protein response (UPR), and mice with GRP78 heterozygosity were resistant to diet-induced obesity. Here, we show that mice with macrophage-selective ablation of GRP78 (Lyz-GRP78-/-) are protected from skeletal muscle insulin resistance without changes in obesity compared with wild-type mice after 9 wk of high-fat diet...
December 14, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29242243/an-infrared-dye-conjugated-virus-like-particle-for-the-treatment-of-primary-uveal-melanoma
#12
Rhonda C Kines, Isabella Varsavsky, Sanghamitra Choudhary, Debaditya Bhattacharya, Sean Spring, Roger J McLaughlin, Shin J Kang, Hans E Grossniklaus, Demitrios G Vavvas, Stephen Monks, John R MacDougall, Elisabet de Los Pinos, John T Schiller
The work outlined herein describes AU-011, a novel recombinant papillomavirus-like particle (VLP) drug conjugate and its initial evaluation as a potential treatment for primary uveal melanoma. The VLP is conjugated with a phthalocyanine photosensitizer, IRDye 700DX, that exerts its cytotoxic effect through photo-activation with a near-infrared laser. We assessed the anti-cancer properties of AU-011 in vitro utilizing a panel of human cancer cell lines and in vivo using murine subcutaneous and rabbit orthotopic xenograft models of uveal melanoma...
December 14, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29241556/hepatic-dysfunction-caused-by-consumption-of-a-high-fat-diet
#13
Anthony R Soltis, Norman J Kennedy, Xiaofeng Xin, Feng Zhou, Scott B Ficarro, Yoon Sing Yap, Bryan J Matthews, Douglas A Lauffenburger, Forest M White, Jarrod A Marto, Roger J Davis, Ernest Fraenkel
Obesity is a major human health crisis that promotes insulin resistance and, ultimately, type 2 diabetes. The molecular mechanisms that mediate this response occur across many highly complex biological regulatory levels that are incompletely understood. Here, we present a comprehensive molecular systems biology study of hepatic responses to high-fat feeding in mice. We interrogated diet-induced epigenomic, transcriptomic, proteomic, and metabolomic alterations using high-throughput omic methods and used a network modeling approach to integrate these diverse molecular signals...
December 12, 2017: Cell Reports
https://www.readbyqxmd.com/read/29241084/neoadjuvant-radiotherapy-combined-with-capecitabine-and-sorafenib-in-patients-with-advanced-kras-mutated-rectal-cancer-a-phase-i-ii-trial-sakk-41-08
#14
Roger von Moos, Dieter Koeberle, Sabina Schacher, Stefanie Hayoz, Ralph C Winterhalder, Arnaud Roth, György Bodoky, Panagiotis Samaras, Martin D Berger, Daniel Rauch, Piercarlo Saletti, Ludwig Plasswilm, Daniel Zwahlen, Urs R Meier, Pu Yan, Paola Izzo, Dirk Klingbiel, Daniela Bärtschi, Kathrin Zaugg
BACKGROUND: KRAS mutation occurs in ∼40% of locally advanced rectal cancers (LARCs). The multitarget tyrosine kinase inhibitor sorafenib has radiosensitising effects and might improve outcomes for standard preoperative chemoradiotherapy in patients with KRAS-mutated LARC. METHODS: Adult patients with KRAS-mutated T3/4 and/or N1/2M0 LARC were included in this phase I/II study. The phase I dose-escalation study of capecitabine plus sorafenib and radiotherapy was followed by a phase II study assessing efficacy and safety...
December 11, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29240579/should-conjunctival-biopsy-be-performed-for-definitive-diagnosis-of-sarcoidosis
#15
Guy Jirawuthiworavong, Daniel Rubinstein, Roger E Turbin
No abstract text is available yet for this article.
December 13, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/29240413/reversible-twisting-of-primary-amides-via-ground-state-n-c-o-destabilization-highly-twisted-rotationally-inverted-acyclic-amides
#16
Guangrong Meng, Shicheng Shi, Roger A Lalancette, Roman Szostak, Michal Szostak
Since the seminal studies by Pauling in 1930s, planarity has become the defining characteristic of the amide bond. Planarity of amides has central implications for the reactivity and chemical properties of amides of relevance to a range of chemical disciplines. While the vast majority of amides are planar, non-planarity has a profound effect on the properties of the amide bond, with the most common method to restrict the amide bond relying on the incorporation of the amide function into a rigid cyclic ring system...
December 14, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29240141/quantification-of-laser-induced-damage-growth-using-fractal-analysis
#17
Matthieu Veinhard, Odile Bonville, Roger Courchinoux, Romain Parreault, Jean-Yves Natoli, Laurent Lamaignère
Lateral and longitudinal laser damage growth under subsequent irradiations at 351 nm in the nanosecond range from micrometric to millimetric scales is presented herein. Atypical behavior has been observed, showing the growth in the longitudinal direction, whereas the lateral growth does not evolve. We propose the use of fractal analysis to describe the evolution of the bulk damage morphology. The results indicate first a dependence between the damage fractal dimension and the laser parameters, such as the fluence and the pulse duration...
December 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/29240074/bet-bromodomain-inhibitors-synergize-with-atr-inhibitors-in-melanoma
#18
Somsundar Veppil Muralidharan, Berglind Osk Einarsdottir, Joydeep Bhadury, Mattias F Lindberg, Jin Wu, Eric Campeau, Roger Olofsson Bagge, Ulrika Stierner, Lars Ny, Lisa M Nilsson, Jonas A Nilsson
This corrects the article DOI: 10.1038/cddis.2017.383.
December 14, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29239896/ex-vivo-antiretroviral-potency-of-newer-integrase-strand-transfer-inhibitors-cabotegravir-and-bictegravir-in-hiv-1-non-b-subtypes
#19
Ujjwal Neogi, Kamlendra Singh, Shambhu G Aralaguppe, Leonard C Rogers, Duncan T Njenda, Stefan G Sarafianos, Bo Hejdeman, Anders Sönnerborg
OBJECTIVE: To determine the antiretroviral activity of the integrase strand transfer inhibitors (INSTIs), raltegravir, elvitegravir, dolutegravir, cabotegravir and bictegravir, against different subtypes as well as primary and acquired drug resistance mutations (DRM) in a patient-cohort infected with diverse subtypes. DESIGN: Biochemical and virological drug sensitivity analysis using patient derived HIV-1 genes and cross-sectional/longitudinal clinical study. METHODS: Assays for inhibition of 3'-end processing (IC50-3P), strand transfer (IC50-ST) and drug sensitivity (DSA) for five INSTIs were done using patient-derived integrase or gag-pol genes from subtypes A1, B, C, 01_AE and 02_AG...
December 12, 2017: AIDS
https://www.readbyqxmd.com/read/29239091/extra-corporeal-normothermic-machine-perfusion-of-the-porcine-kidney-working-towards-future-utilization-in-australasia
#20
Ahmer M Hameed, Ray Miraziz, David B Lu, Neil Warwick, Ali El-Ayoubi, Heather Burns, Yi Vee Chew, Ross Matthews, Greg O'Grady, Lawrence Yuen, Natasha Rogers, Henry C Pleass, Wayne J Hawthorne
BACKGROUND: The ongoing supply-demand gap with respect to donor kidneys for transplantation necessitates the increased use of higher kidney donor profile index and/or donation after circulatory death (DCD) kidneys. Machine perfusion (MP) preservation has become increasingly popular as a means to preserve such organs. Human data regarding normothermic kidney MP (NMP) is in its infancy, and such a system has not been established in the Australasian clinical setting. METHODS: Modified cardio-pulmonary bypass technology was utilized to develop a viable NMP kidney perfusion system using a porcine DCD model...
December 14, 2017: ANZ Journal of Surgery
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